Russian chemical bulletin

Alkynylhalocarbenes. 4. Generation of (alk-1-ynyl) halocarbenes from 3-substituted 1, 1, 1, 3-tetrahalopropanes under the action of bases

KN Shavrin, VD Gvozdev, OM Nefedov

Index: Shavrin; Gvozdev; Nefedov Russian Chemical Bulletin, 2002 , vol. 51, # 7 p. 1237 - 1253

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Citation Number: 9

Abstract

Abstract When treated with KOH under phase-transfer catalysis or with Bu t OK, 3-substituted (alkyl or phenyl) 1, 1, 3-tribromo-1-fluoropropanes 1a—c exclusively generate previously unknown (alk-1-ynyl) fluorocarbenes 5a—c, which react with olefins to give 1-(alk-1-ynyl)-1-